Home / 362,115,252,564.56-499,745,460,165-209,907,375,690.32

Finding the Fourth Proportional to 362,115,252,564.56, 499,745,460,165 and 209,907,375,690.32

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Solution

The fourth proportional to 362,115,252,564.56, 499,745,460,165 and 209,907,375,690.32 is: 289,687,488,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,115,252,564.56 : 499,745,460,165 = 209,907,375,690.32 : x
  2. Step 2: Convert to fraction form
    362,115,252,564.56/499,745,460,165 = 209,907,375,690.32/x
  3. Step 3: Cross multiply
    362,115,252,564.56x = 499,745,460,165 × 209,907,375,690.32
  4. Step 4: Simplify right side
    362,115,252,564.56x = 104,900,258,056,386,501,410,816
  5. Step 5: Solve for x
    x = 104,900,258,056,386,501,410,816/362,115,252,564.56
  6. Step 6: Final answer
    x = 289,687,488,481.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.